可以教一下吗，我真好不会

编写一个模拟学生成绩管理系统的程序，要求如下：

创建一个名为Student的类，包含如下属性：

id（int类型）：表示学生的唯一标识。
name（String类型）：表示学生的姓名。
score（double类型）：表示学生的成绩。

为Student类创建如下方法：

构造方法：根据学生的id、姓名和成绩初始化对象。
getInfo()：返回学生的基本信息（包括id、姓名和成绩）的方法。

创建一个名为ScoreManager的类：

创建一个Student类型的数组作为成员变量。

为ScoreManager类创建如下方法：

addStudent(Student student)：添加一个学生对象到数组的方法。
removeStudent(int id)：根据id删除某个学生对象的方法。
getAverageScore()：返回学生平均成绩的方法。
getStudentById(int id)：根据id查找某个学生的方法。

编写一个Main类，实现如下功能：

实例化若干个Student对象。
实例化一个ScoreManager对象并添加这些Student对象。
展示学生信息和进行学生的添加、删除操作。
打印学生的平均成绩。

你是想实现这样的效果吗

这个岂不更直观~


// Student类
public class Student {
    private int id;
    private String name;
    private double score;
    
    public Student(int id, String name, double score) {
        this.id = id;
        this.name = name;
        this.score = score;
    }
    
    public String getInfo() {
        return "ID: " + id + "\nName: " + name + "\nScore: " + score;
    }
    
    public int getId() {
        return id;
    }
    
    public void setId(int id) {
        this.id = id;
    }
    
    public String getName() {
        return name;
    }
    
    public void setName(String name) {
        this.name = name;
    }
    
    public double getScore() {
        return score;
    }
    
    public void setScore(double score) {
        this.score = score;
    }
}

// ScoreManager类
public class ScoreManager {
    private Student[] students;
    private int count;

    public ScoreManager(int size) {
        students = new Student[size];
        count = 0;
    }

    public void addStudent(Student student) {
        students[count++] = student;
    }

    public void removeStudent(int id) {
        for (int i = 0; i < count; i++) {
            if (students[i].getId() == id) {
                for (int j = i; j < count-1; j++) {
                    students[j] = students[j+1];
                }
                students[--count] = null;
                break;
            }
        }
    }

    public double getAverageScore() {
        double sum = 0;
        for (int i = 0; i < count; i++) {
            sum += students[i].getScore();
        }
        return sum / count;
    }

    public Student getStudentById(int id) {
        for (int i = 0; i < count; i++) {
            if (students[i].getId() == id) {
                return students[i];
            }
        }
        return null; // 未找到对应的学生
    }
}

// Main类
import java.util.Scanner;

public class Main {
    public static void main(String[] args) {
        ScoreManager scoreManager = new ScoreManager(10);

        Student s1 = new Student(1, "张三", 80.5);
        Student s2 = new Student(2, "李四", 90.0);
        Student s3 = new Student(3, "王五", 75.5);

        scoreManager.addStudent(s1);
        scoreManager.addStudent(s2);
        scoreManager.addStudent(s3);

        Scanner scanner = new Scanner(System.in);

        while (true) {
            System.out.println("请选择操作：\n1、添加学生\n2、删除学生\n3、查找学生\n4、显示学生信息\n5、显示平均成绩\n6、退出");
            int choice = scanner.nextInt();

            switch (choice) {
                case 1:
                    System.out.println("请输入学生ID：");
                    int id = scanner.nextInt();
                    System.out.println("请输入学生姓名：");
                    String name = scanner.next();
                    System.out.println("请输入学生成绩：");
                    double score = scanner.nextDouble();

                    Student newStudent = new Student(id, name, score);
                    scoreManager.addStudent(newStudent);
                    break;

                case 2:
                    System.out.println("请输入要删除学生的ID：");
                    int deleteId = scanner.nextInt();
                    scoreManager.removeStudent(deleteId);
                    break;

                case 3:
                    System.out.println("请输入要查找学生的ID：");
                    int searchId = scanner.nextInt();
                    Student student = scoreManager.getStudentById(searchId);
                    if (student != null) {
                        System.out.println(student.getInfo());
                    } else {
                        System.out.println("未找到对应的学生！");
                    }
                    break;

                case 4:
                    for (int i = 0; i < scoreManager.count; i++) {
                        System.out.println(scoreManager.students[i].getInfo());
                    }
                    break;

                case 5:
                    double averageScore = scoreManager.getAverageScore();
                    System.out.println("平均成绩为：" + averageScore + "分。");
                    break;

                case 6:
                    System.exit(0);

                default:
                    System.out.println("无效操作，请重新选择。");
                    break;
            }
        }
    }
}

class Student {
    private int id;
    private String name;
    private double score;

    public Student(int id, String name, double score) {
        this.id = id;
        this.name = name;
        this.score = score;
    }

    public String getInfo() {
        return "ID: " + id + ", Name: " + name + ", Score: " + score;
    }

    public int getId() {
        return id;
    }
}

class ScoreManager {
    private Student[] students;
    private int count;

    public ScoreManager(int capacity) {
        students = new Student[capacity];
        count = 0;
    }

    public void addStudent(Student student) {
        if (count < students.length) {
            students[count] = student;
            count++;
            System.out.println("Successfully added student: " + student.getInfo());
        } else {
            System.out.println("Failed to add student. The student list is full.");
        }
    }

    public void removeStudent(int id) {
        for (int i = 0; i < count; i++) {
            if (students[i].getId() == id) {
                System.out.println("Successfully removed student: " + students[i].getInfo());
                students[i] = students[count - 1];
                students[count - 1] = null;
                count--;
                return;
            }
        }
        System.out.println("Failed to remove student. Student with ID " + id + " not found.");
    }

    public double getAverageScore() {
        double sum = 0;
        for (int i = 0; i < count; i++) {
            sum += students[i].getScore();
        }
        return sum / count;
    }

    public Student getStudentById(int id) {
        for (int i = 0; i < count; i++) {
            if (students[i].getId() == id) {
                return students[i];
            }
        }
        return null;
    }
}

public class Main {
    public static void main(String[] args) {
        // 实例化学生对象
        Student student1 = new Student(1, "Alice", 80.0);
        Student student2 = new Student(2, "Bob", 75.5);
        Student student3 = new Student(3, "Charlie", 90.5);

        // 实例化成绩管理系统对象
        ScoreManager scoreManager = new ScoreManager(5);

        // 添加学生
        scoreManager.addStudent(student1);
        scoreManager.addStudent(student2);
        scoreManager.addStudent(student3);

        // 打印学生信息
        System.out.println("Student Information:");
        for (int i = 0; i < scoreManager.getCount(); i++) {
            System.out.println(scoreManager.getStudents()[i].getInfo());
        }

        // 删除学生
        scoreManager.removeStudent(2);

        // 打印学生信息
        System.out.println("Updated Student Information:");
        for (int i = 0; i < scoreManager.getCount(); i++) {
            System.out.println(scoreManager.getStudents()[i].getInfo());
        }

        // 打印平均成绩
        System.out.println("Average Score: " + scoreManager.getAverageScore());
    }
}

可以教一下吗， 我真好不会

可以教一下吗，我真好不会